Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. executing program kernel: integer divide fault trap, code=0 Stopped at rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace rc4_keysetup(ffff8000212d15a2,ffff8000212d16b4,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff8000212d1568,34de,628e,ffff800000ba2280,0) at pipex_mppe_init+0x212 pipex_init_session(ffff80002128a268,ffff800000ba2000) at pipex_init_session+0x637 pppacioctl(4086337,82907003,ffff800000ba2000,1,ffff8000ffff7cf0) at pppacioctl+0x156 VOP_IOCTL(fffffd807655f5f0,82907003,ffff800000ba2000,1,fffffd807f7d77b8,ffff8000ffff7cf0) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5e81d8,82907003,ffff800000ba2000,ffff8000ffff7cf0) at vn_ioctl+0xbc sys_ioctl(ffff8000ffff7cf0,ffff80002128a5b8,ffff80002128a600) at sys_ioctl+0x4a2 syscall(ffff80002128a680) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffb8b0, count: -9 ddb{0}> show registers rdi 0xffff8000212d15a2 rsi 0 rbp 0xffff80002128a0f0 rbx 0 rdx 0 rcx 0 rax 0x1 r8 0x60 r9 0x2f2d33bf r10 0x10fad51d4d640594 r11 0x61459d970810275a r12 0xffff8000212d16b4 r13 0 r14 0xffff8000212d15a2 r15 0 rip 0xffffffff8227a7df rc4_keysetup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002128a090 ss 0x10 rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{0}> show proc PROC (syz-executor46410892) pid=221546 stat=onproc flags process=2 proc=0 pri=17, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff6fd0,0xffffffff82ab3540 process=0xffff80002129ba40 user=0xffff800021285000, vmspace=0xfffffd807effc000 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *49931 221546 83404 0 7 0x2 syz-executor46410892 83404 315557 19121 0 3 0x10008a sigsusp ksh 19121 186840 79020 0 3 0x9a kqread sshd 63390 207642 1 0 3 0x100083 ttyin getty 79020 423045 1 0 3 0x88 kqread sshd 59199 260177 98547 74 3 0x1100092 bpf pflogd 98547 187464 1 0 3 0x80 netio pflogd 81119 320971 96958 73 3 0x1100090 kqread syslogd 96958 107915 1 0 3 0x100082 netio syslogd 61284 31079 1 0 7 0x100000 resolvd 90850 271561 88749 77 2 0x100092 dhcpleased 78195 194975 88749 77 3 0x100092 kqread dhcpleased 88749 77596 1 0 3 0x80 kqread dhcpleased 47469 249222 0 0 3 0x14200 bored smr 15372 159674 0 0 3 0x14200 pgzero zerothread 356 460031 0 0 3 0x14200 aiodoned aiodoned 64148 103359 0 0 3 0x14200 syncer update 9513 50303 0 0 3 0x14200 cleaner cleaner 55844 393693 0 0 3 0x14200 reaper reaper 35559 253556 0 0 3 0x14200 pgdaemon pagedaemon 74580 260292 0 0 3 0x14200 bored viomb 35391 154369 0 0 3 0x40014200 acpi0 acpi0 48725 504723 0 0 3 0x40014200 idle1 701 415188 0 0 3 0x14200 bored softnet 63413 17756 0 0 3 0x14200 bored softnet 9604 316812 0 0 3 0x14200 bored softnet 69531 514198 0 0 3 0x14200 bored softnet 17724 305683 0 0 3 0x14200 bored systqmp 82177 474158 0 0 3 0x14200 bored systq 15263 87711 0 0 3 0x40014200 bored softclock 23506 376505 0 0 3 0x40014200 idle0 1 277737 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 49931 (syz-executor46410892) thread 0xffff8000ffff7cf0 (221546) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b654b8) #0 witness_lock+0x44d #1 vn_ioctl+0x41 #2 sys_ioctl+0x4a2 #3 syscall+0x4c3 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10158 6457K 6457K 78643K 11248 0 pcb 13 8K 8K 78643K 13 0 rtable 58 1K 2K 78643K 107 0 ifaddr 34 8K 8K 78643K 37 0 counters 44 34K 34K 78643K 44 0 ioctlops 1 1K 4K 78643K 1480 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1168 73K 73K 78643K 1181 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 1 0K 0K 78643K 1 0 proc 67 91K 91K 78643K 282 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 431 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 62K 78643K 8 0 UVM amap 58 3K 5K 78643K 1516 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 5 0K 0K 78643K 5 0 temp 25 4709K 4773K 78643K 2500 0 kqueue 11 16K 18K 78643K 24 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 17 0 14 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 144 35 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 768 8 0 5 1 0 1 1 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 320 32 0 26 1 0 1 1 0 8 0 ppxss 1256 2 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 8 0 0 1 0 1 1 0 8 0 pfstkey 120 8 0 0 1 0 1 1 0 8 0 pfstate 336 8 0 0 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 97 0 0 7 0 7 7 0 8 0 art_table 32 98 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1426 0 40 87 0 87 87 0 8 0 ffsino 272 1426 0 40 93 0 93 93 0 8 0 nchpl 144 1612 0 48 58 0 58 58 0 8 0 uvmvnodes 80 1436 0 0 30 0 30 30 0 8 0 vnodes 216 1436 0 0 80 0 80 80 0 8 0 namei 1024 4385 0 4385 2 1 1 1 0 8 1 percpumem 16 34 0 0 1 0 1 1 0 8 0 kstatmem 264 10 0 0 1 0 1 1 0 8 0 scxspl 216 3792 0 3792 2 1 1 2 0 8 1 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 424 322 0 290 5 1 4 5 0 8 0 knotepl 120 48 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 13 1 0 1 1 0 8 0 pipepl 320 86 0 83 2 1 1 1 0 8 0 fdescpl 496 305 0 290 3 0 3 3 0 8 0 filepl 152 1183 0 1124 3 0 3 3 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 104 69 0 57 1 0 1 1 0 8 0 zombiepl 144 290 0 290 2 1 1 1 0 8 1 processpl 1064 322 0 290 3 0 3 3 0 8 0 procpl 672 322 0 290 4 1 3 4 0 8 0 sockpl 488 84 0 60 5 1 4 4 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 73 0 0 9 0 9 9 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 121 0 0 8 0 8 8 0 8 0 bufpl 288 1989 0 85 136 0 136 136 0 8 0 anonpl 24 36912 0 34925 16 2 14 15 0 186 1 amapchunkpl 152 2716 0 2619 6 1 5 6 0 158 0 amappl16 200 31 0 30 2 1 1 1 0 8 0 amappl15 192 67 0 63 1 0 1 1 0 8 0 amappl13 176 34 0 33 2 1 1 1 0 8 0 amappl12 168 3 0 3 2 1 1 1 0 8 1 amappl11 160 66 0 49 1 0 1 1 0 8 0 amappl10 152 2 0 0 1 0 1 1 0 8 0 amappl9 144 473 0 471 1 0 1 1 0 8 0 amappl8 136 366 0 365 2 1 1 1 0 8 0 amappl7 128 68 0 61 1 0 1 1 0 8 0 amappl6 120 89 0 83 1 0 1 1 0 8 0 amappl5 112 90 0 77 1 0 1 1 0 8 0 amappl4 104 635 0 613 1 0 1 1 0 8 0 amappl3 96 420 0 395 1 0 1 1 0 8 0 amappl2 88 312 0 283 1 0 1 1 0 8 0 amappl1 80 9511 0 9100 11 1 10 10 0 8 0 amappl 88 1235 0 1195 2 0 2 2 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 305 0 290 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 305 0 290 1 0 1 1 0 8 0 vmmpekpl 168 6285 0 6266 1 0 1 1 0 8 0 vmmpepl 168 26896 0 26039 43 1 42 42 0 357 0 vmsppl 368 304 0 290 2 0 2 2 0 8 0 rwobjpl 56 9661 0 7656 31 1 30 30 0 8 1 pdppl 4096 617 0 580 55 18 37 45 0 8 0 pvpl 32 125472 0 121529 38 3 35 36 0 265 0 pmappl 248 304 0 290 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 412 0 22 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace rc4_keysetup(ffff8000212d15a2,ffff8000212d16b4,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff8000212d1568,34de,628e,ffff800000ba2280,0) at pipex_mppe_init+0x212 pipex_init_session(ffff80002128a268,ffff800000ba2000) at pipex_init_session+0x637 pppacioctl(4086337,82907003,ffff800000ba2000,1,ffff8000ffff7cf0) at pppacioctl+0x156 VOP_IOCTL(fffffd807655f5f0,82907003,ffff800000ba2000,1,fffffd807f7d77b8,ffff8000ffff7cf0) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5e81d8,82907003,ffff800000ba2000,ffff8000ffff7cf0) at vn_ioctl+0xbc sys_ioctl(ffff8000ffff7cf0,ffff80002128a5b8,ffff80002128a600) at sys_ioctl+0x4a2 syscall(ffff80002128a680) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffb8b0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x7 kqueue_scan(ffff8000212b6640,3,ffff8000212b6740,0,ffff8000ffff77b0,ffff8000212b689c) at kqueue_scan+0xf7 sys_kevent(ffff8000ffff77b0,ffff8000212b6900,ffff8000212b6950) at sys_kevent+0x4a4 syscall(ffff8000212b69d0) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe7f00, count: -8 ddb{1}>